body {
    min-width: 80rem;
    position: relative;
}
.header {
    width: 100%;
    position: relative;
}
.banner {
    width: 100%;
    min-width: 80rem;
}
.header-content {
    width: 80rem;
    margin: 0 auto;
}
.header-content-font {
    position: absolute;
    top: 15.625rem;
    width: 17.5rem;
}
.header-content-phone {
    position: absolute;
    bottom: 0rem;
    width: 39.25rem;
    height: 8.5rem;
    background: rgba(242,3,19,0.8);
    border-radius: 1.25rem 1.25rem 0rem 0rem;
}
.header-content-phone-text {
    margin: 1.25rem 0 0 3.75rem;
}
.header-content-phone-text img {
    width: 2rem;
    height: 2rem;
    margin-right: .625rem;
    vertical-align: bottom;
}
.header-content-phone-text span {
    font-family: SourceHanSansCN, SourceHanSansCN;
    font-weight: 500;
    font-size: 1.5rem;
    color: #FFFFFF;
}
.nav-bar {
    width: 100%;
    height: 5rem;
    background: #fff;
    opacity: 0.4;
    backdrop-filter: blur(.625rem);
    position: fixed;
    top: 0;
    left: 0;
    z-index: 9999;
}
.nav {
    width: 100%;
    height: 5rem;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 9999;
}
.nav-content {
    width: 80rem;
    height: 5rem;
    margin: 0 auto;
}
.logo {
    width: 16.4375rem;
    height: 3.125rem;
    margin-top: .9375rem;
}
.nav-content-list {
    width: 25rem;
    text-align: right;
    display: flex;
    justify-content: space-around;
    align-items: center;
    float: right;
    margin-right: 1.875rem;
}
.nav-content-list-item {
    width: 4rem;
    text-align: center;
    padding-top: .8125rem;
    cursor: pointer;
}
.nav-content-list-item a {
    text-decoration: none;
}
.nav-content-list-icon {
    width: 2rem;
    height: 2rem;
}
.nav-content-list-text {
    width: 4rem;
    text-align: center;
    font-weight: 500;
    font-size: 1rem;
    color: #333333;
    line-height: .9375rem;
    text-align: center;
    font-style: normal;
}
.nav-content-list-text-active {
    color: #D70110;
}

/* 关于我们 */
.aboutus {
    position: relative;
}
.aboutus-bg {
    width: 100%;
    min-width: 80rem;
}
.aboutus-content {
    width: 80rem;
    margin: 0 auto;
}
.aboutus-text {
    position: absolute;
    top: 6.1875rem;
}
.aboutus-text1 {
    font-family: Arial, Arial;
    font-size: 5rem;
    color: #415363;
}
.aboutus-text2 {
    font-family: SourceHanSansCN, SourceHanSansCN;
    font-weight: bold;
    font-size: 2rem;
    color: #415363;
    margin-top: 1.25rem;
}
.aboutus-info {
    width: 37.75rem;
    min-width: 30rem;
    background: #FFFFFF;
    box-shadow: 0rem 0rem 1.25rem 0rem rgba(0,0,0,0.2);
    position: absolute;
    top: 7.6875rem;
    right: 9.375rem;
    text-align: center;
    padding: 3.4375rem;
    box-sizing: border-box;
    border-top: .625rem solid #D70110;
    z-index: 999;
}
.aboutus-info-title {
    font-family: SourceHanSansCN, SourceHanSansCN;
    font-weight: bold;
    font-size: 2.5rem;
    color: #415363;
    line-height: 4.125rem;
    margin-bottom: 1.25rem;
}
.aboutus-info-intro {
    font-family: SourceHanSansCN, SourceHanSansCN;
    font-weight: 400;
    font-size: 1.2rem;
    color: #333333;
    line-height: 2rem;
    text-align: left;
}
.aboutus-info-list {
    display: flex;
    justify-content: space-around;
}
.aboutus-info-list1 {
    margin-top: 2.5rem;
}
.aboutus-info-list1-text1 {
    font-family: DIN, DIN;
    font-weight: bold;
    font-size: 2.75rem;
    color: #D70110;
    line-height: 2.5rem;
}
.aboutus-info-list1-text2 {
    font-family: SourceHanSansCN, SourceHanSansCN;
    font-weight: 400;
    font-size: 1.125rem;
    color: #333333;
    line-height: 1.6875rem;
    margin-top: .625rem;
}

/* 业务范围 */
.business {
    position: relative;
}
.business-bg {
    width: 100%;
    min-width: 80rem;
}
.business-bg2 {
    width: 80%;
    position: absolute;
    top: 24.25rem;
    right: 0;
}
.business-content {
    width: 80rem;
    margin: 0 auto;
}
.business-content-text1 {
    position: absolute;
    top: 13.525rem;
    right: 6.25rem;
    font-family: Arial, Arial;
    font-weight: normal;
    font-size: 5rem;
    color: #415363;
    line-height: 5.75rem;
}
.business-content-text2 {
    position: absolute;
    top: 19.375rem;
    right: 6.25rem;
    font-family: SourceHanSansCN, SourceHanSansCN;
    font-weight: bold;
    font-size: 2rem;
    color: #415363;
    line-height: 3rem;
}
.business-map {
    position: absolute;
    top: 53%;
    left: 50%;
    transform: translateX(-50%);
    width: 65%;
    z-index: 9;
}
.area {
    position: absolute;
    top: 52%;
    left: 50%;
    transform: translateX(-50%);
}
.area-icon {
    width: 2rem;
    height: 2rem;
    vertical-align: top;
}
.area-line {
    width: 25rem;
    text-align: center;
}
.area-text1 {
    font-family: SourceHanSansCN, SourceHanSansCN;
    font-weight: 500;
    font-size: 1.5rem;
    color: #D70110;
    line-height: 2.25rem;
}
.area-text2 {
    font-family: SourceHanSansCN, SourceHanSansCN;
    font-weight: 500;
    font-size: 1.25rem;
    color: #666666;
    line-height: 1.875rem;
    margin-top: 1.25rem;
}

/* 联系我们 */
.contact {
    position: relative;
}
.contact-map {
    width: 100%;
}
.contact-mask {
    position: absolute;
    top: 0rem;
    width: 100%;
    height: 24.75rem;
    background: linear-gradient(rgba(255,255,255,1), rgba(255,255,255,0) );
    z-index: 8;
}
.contact-content  {
    width: 80rem;
    margin: 0 auto;
    z-index: 9;
}
.contact-content-text1 {
    position: absolute;
    top: 0;
    font-family: Arial, Arial;
    font-weight: normal;
    font-size: 5rem;
    color: #415363;
    line-height: 5.75rem;
    z-index: 99;
}
.contact-content-text2 {
    position: absolute;
    top: 6.25rem;
    font-family: SourceHanSansCN, SourceHanSansCN;
    font-weight: bold;
    font-size: 2rem;
    color: #415363;
    line-height: 3rem;
    z-index: 99;
}
.contact-content-list {
    position: absolute;
    top: 230px;
    background: rgba(255,255,255,0.7);
    padding: 2.5rem 2.5rem;
}
.contact-content-list-item {
    margin-top: 1.875rem;
}
.contact-content-list-item:first-child {
    margin-top: 0;
}
.contact-content-list-item img {
    width: 2rem;
    height: 2rem;
    vertical-align: middle;
}
.contact-content-list-item span {
    font-family: SourceHanSansCN, SourceHanSansCN;
    font-weight: 400;
    font-size: 1.125rem;
    color: #415363;
    line-height: 1.6875rem;
}
.contact-content-list-item p {
    font-family: SourceHanSansCN, SourceHanSansCN;
    font-weight: 500;
    font-size: 1.125rem;
    color: #415363;
    line-height: 1.6875rem;
}

.footer {
    position: relative;
}
.footer-bg {
    width: 100%;
}
.footer-list {
    width: 80rem;
    margin: 0 auto;
}
.footer-list-title {
    font-family: SourceHanSansCN, SourceHanSansCN;
    font-weight: 400;
    font-size: 2rem;
    color: #FFFFFF;
    line-height: 3rem; 
    position: absolute;
    top: 3.125rem;
}
.footer-list-content {
    position: absolute;
    top: 7.5rem;
    display: flex;
}
.footer-content-list-item {
    margin-right: 12.5rem;
}
.footer-content-list-item img {
    width: 2rem;
    height: 2rem;
    vertical-align: middle;
}
.footer-content-list-item span {
    font-family: SourceHanSansCN, SourceHanSansCN;
    font-weight: 400;
    font-size: .875rem;
    color: #FFFFFF;
    line-height: 1.3125rem;
}
.footer-content-list-item p {
    font-family: SourceHanSansCN, SourceHanSansCN;
    font-weight: 400;
    font-size: .875rem;
    color: #FFFFFF;
    line-height: 1.3125rem;
}
.copyright {
    position: absolute;
    bottom: 3rem;
    font-family: SourceHanSansCN, SourceHanSansCN;
    font-weight: 400;
    font-size: .875rem;
    color: #FFFFFF;
    line-height: 1.3125rem;
}